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Finding the Fourth Proportional to 579.84, 869.54 and 233.06

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Solution

The fourth proportional to 579.84, 869.54 and 233.06 is: 349.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    579.84 : 869.54 = 233.06 : x
  2. Step 2: Convert to fraction form
    579.84/869.54 = 233.06/x
  3. Step 3: Cross multiply
    579.84x = 869.54 × 233.06
  4. Step 4: Simplify right side
    579.84x = 202,651.26
  5. Step 5: Solve for x
    x = 202,651.26/579.84
  6. Step 6: Final answer
    x = 349.50

Related Problems

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Half scale
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Double scale
Find fourth proportional to 580.84, 871.04 and 234.06
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.