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Finding the Fourth Proportional to 526.19, 791.45 and 476.51

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Solution

The fourth proportional to 526.19, 791.45 and 476.51 is: 716.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    526.19 : 791.45 = 476.51 : x
  2. Step 2: Convert to fraction form
    526.19/791.45 = 476.51/x
  3. Step 3: Cross multiply
    526.19x = 791.45 × 476.51
  4. Step 4: Simplify right side
    526.19x = 377,133.84
  5. Step 5: Solve for x
    x = 377,133.84/526.19
  6. Step 6: Final answer
    x = 716.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.