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Finding the Fourth Proportional to 591.18, 814.15 and 545.01

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Solution

The fourth proportional to 591.18, 814.15 and 545.01 is: 750.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.18 : 814.15 = 545.01 : x
  2. Step 2: Convert to fraction form
    591.18/814.15 = 545.01/x
  3. Step 3: Cross multiply
    591.18x = 814.15 × 545.01
  4. Step 4: Simplify right side
    591.18x = 443,719.89
  5. Step 5: Solve for x
    x = 443,719.89/591.18
  6. Step 6: Final answer
    x = 750.57

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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.