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Finding the Fourth Proportional to 444.17, 661.15 and 437.59

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Solution

The fourth proportional to 444.17, 661.15 and 437.59 is: 651.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    444.17 : 661.15 = 437.59 : x
  2. Step 2: Convert to fraction form
    444.17/661.15 = 437.59/x
  3. Step 3: Cross multiply
    444.17x = 661.15 × 437.59
  4. Step 4: Simplify right side
    444.17x = 289,307.82
  5. Step 5: Solve for x
    x = 289,307.82/444.17
  6. Step 6: Final answer
    x = 651.35

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.