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Finding the Fourth Proportional to 591.01, 815.14 and 433.58

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Solution

The fourth proportional to 591.01, 815.14 and 433.58 is: 598.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    591.01 : 815.14 = 433.58 : x
  2. Step 2: Convert to fraction form
    591.01/815.14 = 433.58/x
  3. Step 3: Cross multiply
    591.01x = 815.14 × 433.58
  4. Step 4: Simplify right side
    591.01x = 353,428.40
  5. Step 5: Solve for x
    x = 353,428.40/591.01
  6. Step 6: Final answer
    x = 598.01

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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.