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Finding the Fourth Proportional to 526.59, 726.36 and 368.99

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Solution

The fourth proportional to 526.59, 726.36 and 368.99 is: 508.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.59 : 726.36 = 368.99 : x
  2. Step 2: Convert to fraction form
    526.59/726.36 = 368.99/x
  3. Step 3: Cross multiply
    526.59x = 726.36 × 368.99
  4. Step 4: Simplify right side
    526.59x = 268,015.94
  5. Step 5: Solve for x
    x = 268,015.94/526.59
  6. Step 6: Final answer
    x = 508.97

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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.