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Finding the Fourth Proportional to 555.16, 826.97 and 527.08

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Solution

The fourth proportional to 555.16, 826.97 and 527.08 is: 785.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    555.16 : 826.97 = 527.08 : x
  2. Step 2: Convert to fraction form
    555.16/826.97 = 527.08/x
  3. Step 3: Cross multiply
    555.16x = 826.97 × 527.08
  4. Step 4: Simplify right side
    555.16x = 435,879.35
  5. Step 5: Solve for x
    x = 435,879.35/555.16
  6. Step 6: Final answer
    x = 785.14

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.