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Finding the Fourth Proportional to 585.07, 806.73 and 437.46

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Solution

The fourth proportional to 585.07, 806.73 and 437.46 is: 603.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    585.07 : 806.73 = 437.46 : x
  2. Step 2: Convert to fraction form
    585.07/806.73 = 437.46/x
  3. Step 3: Cross multiply
    585.07x = 806.73 × 437.46
  4. Step 4: Simplify right side
    585.07x = 352,912.11
  5. Step 5: Solve for x
    x = 352,912.11/585.07
  6. Step 6: Final answer
    x = 603.20

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1.5x scale

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.