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Finding the Fourth Proportional to 603.52, 900.90 and 530.62

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Solution

The fourth proportional to 603.52, 900.90 and 530.62 is: 792.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.52 : 900.90 = 530.62 : x
  2. Step 2: Convert to fraction form
    603.52/900.90 = 530.62/x
  3. Step 3: Cross multiply
    603.52x = 900.90 × 530.62
  4. Step 4: Simplify right side
    603.52x = 478,035.56
  5. Step 5: Solve for x
    x = 478,035.56/603.52
  6. Step 6: Final answer
    x = 792.08

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.