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Finding the Fourth Proportional to 650.30, 895.79 and 603.05

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Solution

The fourth proportional to 650.30, 895.79 and 603.05 is: 830.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    650.30 : 895.79 = 603.05 : x
  2. Step 2: Convert to fraction form
    650.30/895.79 = 603.05/x
  3. Step 3: Cross multiply
    650.30x = 895.79 × 603.05
  4. Step 4: Simplify right side
    650.30x = 540,203.19
  5. Step 5: Solve for x
    x = 540,203.19/650.30
  6. Step 6: Final answer
    x = 830.70

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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.