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Finding the Fourth Proportional to 560.29, 772.80 and 373.69

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Solution

The fourth proportional to 560.29, 772.80 and 373.69 is: 515.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.29 : 772.80 = 373.69 : x
  2. Step 2: Convert to fraction form
    560.29/772.80 = 373.69/x
  3. Step 3: Cross multiply
    560.29x = 772.80 × 373.69
  4. Step 4: Simplify right side
    560.29x = 288,787.63
  5. Step 5: Solve for x
    x = 288,787.63/560.29
  6. Step 6: Final answer
    x = 515.43

Related Problems

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.