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Finding the Fourth Proportional to 560.73, 841.32 and 286.92

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Solution

The fourth proportional to 560.73, 841.32 and 286.92 is: 430.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.73 : 841.32 = 286.92 : x
  2. Step 2: Convert to fraction form
    560.73/841.32 = 286.92/x
  3. Step 3: Cross multiply
    560.73x = 841.32 × 286.92
  4. Step 4: Simplify right side
    560.73x = 241,391.53
  5. Step 5: Solve for x
    x = 241,391.53/560.73
  6. Step 6: Final answer
    x = 430.50

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.