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Finding the Fourth Proportional to 1,052.84, 1,579.95 and 368.84

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Solution

The fourth proportional to 1,052.84, 1,579.95 and 368.84 is: 553.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,052.84 : 1,579.95 = 368.84 : x
  2. Step 2: Convert to fraction form
    1,052.84/1,579.95 = 368.84/x
  3. Step 3: Cross multiply
    1,052.84x = 1,579.95 × 368.84
  4. Step 4: Simplify right side
    1,052.84x = 582,740.86
  5. Step 5: Solve for x
    x = 582,740.86/1,052.84
  6. Step 6: Final answer
    x = 553.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 1,053.84, 1,581.45 and 369.84
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.