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Finding the Fourth Proportional to 617.77, 928.02 and 374.44

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Solution

The fourth proportional to 617.77, 928.02 and 374.44 is: 562.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    617.77 : 928.02 = 374.44 : x
  2. Step 2: Convert to fraction form
    617.77/928.02 = 374.44/x
  3. Step 3: Cross multiply
    617.77x = 928.02 × 374.44
  4. Step 4: Simplify right side
    617.77x = 347,487.81
  5. Step 5: Solve for x
    x = 347,487.81/617.77
  6. Step 6: Final answer
    x = 562.49

Related Problems

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Half scale
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Double scale
Find fourth proportional to 618.77, 929.52 and 375.44
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.