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Finding the Fourth Proportional to 586.95, 810.13 and 338.35

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Solution

The fourth proportional to 586.95, 810.13 and 338.35 is: 467.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    586.95 : 810.13 = 338.35 : x
  2. Step 2: Convert to fraction form
    586.95/810.13 = 338.35/x
  3. Step 3: Cross multiply
    586.95x = 810.13 × 338.35
  4. Step 4: Simplify right side
    586.95x = 274,108.09
  5. Step 5: Solve for x
    x = 274,108.09/586.95
  6. Step 6: Final answer
    x = 467.01

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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.