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Finding the Fourth Proportional to 614.88, 849.36 and 527.52

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Solution

The fourth proportional to 614.88, 849.36 and 527.52 is: 728.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.88 : 849.36 = 527.52 : x
  2. Step 2: Convert to fraction form
    614.88/849.36 = 527.52/x
  3. Step 3: Cross multiply
    614.88x = 849.36 × 527.52
  4. Step 4: Simplify right side
    614.88x = 448,054.39
  5. Step 5: Solve for x
    x = 448,054.39/614.88
  6. Step 6: Final answer
    x = 728.69

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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.