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Finding the Fourth Proportional to 614.61, 841.70 and 606.51

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Solution

The fourth proportional to 614.61, 841.70 and 606.51 is: 830.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.61 : 841.70 = 606.51 : x
  2. Step 2: Convert to fraction form
    614.61/841.70 = 606.51/x
  3. Step 3: Cross multiply
    614.61x = 841.70 × 606.51
  4. Step 4: Simplify right side
    614.61x = 510,500.98
  5. Step 5: Solve for x
    x = 510,500.98/614.61
  6. Step 6: Final answer
    x = 830.61

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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.