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Finding the Fourth Proportional to 597.81, 897.54 and 435.42

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Solution

The fourth proportional to 597.81, 897.54 and 435.42 is: 653.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.81 : 897.54 = 435.42 : x
  2. Step 2: Convert to fraction form
    597.81/897.54 = 435.42/x
  3. Step 3: Cross multiply
    597.81x = 897.54 × 435.42
  4. Step 4: Simplify right side
    597.81x = 390,806.87
  5. Step 5: Solve for x
    x = 390,806.87/597.81
  6. Step 6: Final answer
    x = 653.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.