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Finding the Fourth Proportional to 302.03, 450.51 and 275.51

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Solution

The fourth proportional to 302.03, 450.51 and 275.51 is: 410.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    302.03 : 450.51 = 275.51 : x
  2. Step 2: Convert to fraction form
    302.03/450.51 = 275.51/x
  3. Step 3: Cross multiply
    302.03x = 450.51 × 275.51
  4. Step 4: Simplify right side
    302.03x = 124,117.57
  5. Step 5: Solve for x
    x = 124,117.57/302.03
  6. Step 6: Final answer
    x = 410.94

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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.