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Finding the Fourth Proportional to 897.77, 1,347.08 and 377.89

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Solution

The fourth proportional to 897.77, 1,347.08 and 377.89 is: 567.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    897.77 : 1,347.08 = 377.89 : x
  2. Step 2: Convert to fraction form
    897.77/1,347.08 = 377.89/x
  3. Step 3: Cross multiply
    897.77x = 1,347.08 × 377.89
  4. Step 4: Simplify right side
    897.77x = 509,048.06
  5. Step 5: Solve for x
    x = 509,048.06/897.77
  6. Step 6: Final answer
    x = 567.01

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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.