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Finding the Fourth Proportional to 332.51, 459.47 and 316.49

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Solution

The fourth proportional to 332.51, 459.47 and 316.49 is: 437.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    332.51 : 459.47 = 316.49 : x
  2. Step 2: Convert to fraction form
    332.51/459.47 = 316.49/x
  3. Step 3: Cross multiply
    332.51x = 459.47 × 316.49
  4. Step 4: Simplify right side
    332.51x = 145,417.66
  5. Step 5: Solve for x
    x = 145,417.66/332.51
  6. Step 6: Final answer
    x = 437.33

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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.