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Finding the Fourth Proportional to 526.18, 786.17 and 508.04

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Solution

The fourth proportional to 526.18, 786.17 and 508.04 is: 759.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.18 : 786.17 = 508.04 : x
  2. Step 2: Convert to fraction form
    526.18/786.17 = 508.04/x
  3. Step 3: Cross multiply
    526.18x = 786.17 × 508.04
  4. Step 4: Simplify right side
    526.18x = 399,403.27
  5. Step 5: Solve for x
    x = 399,403.27/526.18
  6. Step 6: Final answer
    x = 759.06

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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.