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Finding the Fourth Proportional to 526.89, 726.75 and 416.19

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Solution

The fourth proportional to 526.89, 726.75 and 416.19 is: 574.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.89 : 726.75 = 416.19 : x
  2. Step 2: Convert to fraction form
    526.89/726.75 = 416.19/x
  3. Step 3: Cross multiply
    526.89x = 726.75 × 416.19
  4. Step 4: Simplify right side
    526.89x = 302,466.08
  5. Step 5: Solve for x
    x = 302,466.08/526.89
  6. Step 6: Final answer
    x = 574.06

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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.