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Finding the Fourth Proportional to 624.88, 856.07 and 601.51

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Solution

The fourth proportional to 624.88, 856.07 and 601.51 is: 824.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    624.88 : 856.07 = 601.51 : x
  2. Step 2: Convert to fraction form
    624.88/856.07 = 601.51/x
  3. Step 3: Cross multiply
    624.88x = 856.07 × 601.51
  4. Step 4: Simplify right side
    624.88x = 514,929.52
  5. Step 5: Solve for x
    x = 514,929.52/624.88
  6. Step 6: Final answer
    x = 824.05

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.