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Finding the Fourth Proportional to 526.02, 726.01 and 316.37

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Solution

The fourth proportional to 526.02, 726.01 and 316.37 is: 436.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.02 : 726.01 = 316.37 : x
  2. Step 2: Convert to fraction form
    526.02/726.01 = 316.37/x
  3. Step 3: Cross multiply
    526.02x = 726.01 × 316.37
  4. Step 4: Simplify right side
    526.02x = 229,684.15
  5. Step 5: Solve for x
    x = 229,684.15/526.02
  6. Step 6: Final answer
    x = 436.65

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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.