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Finding the Fourth Proportional to 1,106.58, 1,526.51 and 897.00

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Solution

The fourth proportional to 1,106.58, 1,526.51 and 897.00 is: 1,237.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106.58 : 1,526.51 = 897.00 : x
  2. Step 2: Convert to fraction form
    1,106.58/1,526.51 = 897.00/x
  3. Step 3: Cross multiply
    1,106.58x = 1,526.51 × 897.00
  4. Step 4: Simplify right side
    1,106.58x = 1,369,271.84
  5. Step 5: Solve for x
    x = 1,369,271.84/1,106.58
  6. Step 6: Final answer
    x = 1,237.39

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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.