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Finding the Fourth Proportional to 544.07, 750.72 and 307.95

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Solution

The fourth proportional to 544.07, 750.72 and 307.95 is: 424.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    544.07 : 750.72 = 307.95 : x
  2. Step 2: Convert to fraction form
    544.07/750.72 = 307.95/x
  3. Step 3: Cross multiply
    544.07x = 750.72 × 307.95
  4. Step 4: Simplify right side
    544.07x = 231,184.22
  5. Step 5: Solve for x
    x = 231,184.22/544.07
  6. Step 6: Final answer
    x = 424.92

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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.