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Finding the Fourth Proportional to 954.37, 1,317.02 and 534.79

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Solution

The fourth proportional to 954.37, 1,317.02 and 534.79 is: 738.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    954.37 : 1,317.02 = 534.79 : x
  2. Step 2: Convert to fraction form
    954.37/1,317.02 = 534.79/x
  3. Step 3: Cross multiply
    954.37x = 1,317.02 × 534.79
  4. Step 4: Simplify right side
    954.37x = 704,329.13
  5. Step 5: Solve for x
    x = 704,329.13/954.37
  6. Step 6: Final answer
    x = 738.00

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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.