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Finding the Fourth Proportional to 560.55, 841.39 and 374.89

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Solution

The fourth proportional to 560.55, 841.39 and 374.89 is: 562.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    560.55 : 841.39 = 374.89 : x
  2. Step 2: Convert to fraction form
    560.55/841.39 = 374.89/x
  3. Step 3: Cross multiply
    560.55x = 841.39 × 374.89
  4. Step 4: Simplify right side
    560.55x = 315,428.70
  5. Step 5: Solve for x
    x = 315,428.70/560.55
  6. Step 6: Final answer
    x = 562.71

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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.