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Finding the Fourth Proportional to 597.99, 897.53 and 405.75

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Solution

The fourth proportional to 597.99, 897.53 and 405.75 is: 608.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    597.99 : 897.53 = 405.75 : x
  2. Step 2: Convert to fraction form
    597.99/897.53 = 405.75/x
  3. Step 3: Cross multiply
    597.99x = 897.53 × 405.75
  4. Step 4: Simplify right side
    597.99x = 364,170.77
  5. Step 5: Solve for x
    x = 364,170.77/597.99
  6. Step 6: Final answer
    x = 608.99

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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.