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Finding the Fourth Proportional to 614.76, 848.35 and 334.99

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Solution

The fourth proportional to 614.76, 848.35 and 334.99 is: 462.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    614.76 : 848.35 = 334.99 : x
  2. Step 2: Convert to fraction form
    614.76/848.35 = 334.99/x
  3. Step 3: Cross multiply
    614.76x = 848.35 × 334.99
  4. Step 4: Simplify right side
    614.76x = 284,188.77
  5. Step 5: Solve for x
    x = 284,188.77/614.76
  6. Step 6: Final answer
    x = 462.28

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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.