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Finding the Fourth Proportional to 603.48, 903.30 and 562.20

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Solution

The fourth proportional to 603.48, 903.30 and 562.20 is: 841.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    603.48 : 903.30 = 562.20 : x
  2. Step 2: Convert to fraction form
    603.48/903.30 = 562.20/x
  3. Step 3: Cross multiply
    603.48x = 903.30 × 562.20
  4. Step 4: Simplify right side
    603.48x = 507,835.26
  5. Step 5: Solve for x
    x = 507,835.26/603.48
  6. Step 6: Final answer
    x = 841.51

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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.