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Finding the Fourth Proportional to 1,534.38, 2,301.51 and 560.76

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Solution

The fourth proportional to 1,534.38, 2,301.51 and 560.76 is: 841.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,534.38 : 2,301.51 = 560.76 : x
  2. Step 2: Convert to fraction form
    1,534.38/2,301.51 = 560.76/x
  3. Step 3: Cross multiply
    1,534.38x = 2,301.51 × 560.76
  4. Step 4: Simplify right side
    1,534.38x = 1,290,594.75
  5. Step 5: Solve for x
    x = 1,290,594.75/1,534.38
  6. Step 6: Final answer
    x = 841.12

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.